websocketpp  0.6.0
C++/Boost Asio based websocket client/server library
client_endpoint.hpp
1 /*
2  * Copyright (c) 2014, Peter Thorson. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  * * Redistributions of source code must retain the above copyright
7  * notice, this list of conditions and the following disclaimer.
8  * * Redistributions in binary form must reproduce the above copyright
9  * notice, this list of conditions and the following disclaimer in the
10  * documentation and/or other materials provided with the distribution.
11  * * Neither the name of the WebSocket++ Project nor the
12  * names of its contributors may be used to endorse or promote products
13  * derived from this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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24  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  */
27 
28 #ifndef WEBSOCKETPP_CLIENT_ENDPOINT_HPP
29 #define WEBSOCKETPP_CLIENT_ENDPOINT_HPP
30 
31 #include <websocketpp/endpoint.hpp>
32 #include <websocketpp/uri.hpp>
33 
34 #include <websocketpp/logger/levels.hpp>
35 
36 #include <websocketpp/common/system_error.hpp>
37 
38 #include <string>
39 
40 namespace websocketpp {
41 
43 
46 template <typename config>
47 class client : public endpoint<connection<config>,config> {
48 public:
51 
53  typedef typename config::concurrency_type concurrency_type;
55  typedef typename config::transport_type transport_type;
56 
61 
63  typedef typename transport_type::transport_con_type transport_con_type;
65  typedef typename transport_con_type::ptr transport_con_ptr;
66 
69 
70  explicit client() : endpoint_type(false)
71  {
72  endpoint_type::m_alog.write(log::alevel::devel, "client constructor");
73  }
74 
76 
87  connection_ptr get_connection(uri_ptr location, lib::error_code & ec) {
88  if (location->get_secure() && !transport_type::is_secure()) {
89  ec = error::make_error_code(error::endpoint_not_secure);
90  return connection_ptr();
91  }
92 
93  connection_ptr con = endpoint_type::create_connection();
94 
95  if (!con) {
96  ec = error::make_error_code(error::con_creation_failed);
97  return con;
98  }
99 
100  con->set_uri(location);
101 
102  ec = lib::error_code();
103  return con;
104  }
105 
107 
117  connection_ptr get_connection(std::string const & u, lib::error_code & ec) {
118  uri_ptr location = lib::make_shared<uri>(u);
119 
120  if (!location->get_valid()) {
121  ec = error::make_error_code(error::invalid_uri);
122  return connection_ptr();
123  }
124 
125  return get_connection(location, ec);
126  }
127 
129 
137  connection_ptr connect(connection_ptr con) {
138  // Ask transport to perform a connection
139  transport_type::async_connect(
140  lib::static_pointer_cast<transport_con_type>(con),
141  con->get_uri(),
142  lib::bind(
143  &type::handle_connect,
144  this,
145  con,
146  lib::placeholders::_1
147  )
148  );
149 
150  return con;
151  }
152 private:
153  // handle_connect
154  void handle_connect(connection_ptr con, lib::error_code const & ec) {
155  if (ec) {
156  con->terminate(ec);
157 
158  endpoint_type::m_elog.write(log::elevel::rerror,
159  "handle_connect error: "+ec.message());
160  } else {
161  endpoint_type::m_alog.write(log::alevel::connect,
162  "Successful connection");
163 
164  con->start();
165  }
166  }
167 };
168 
169 } // namespace websocketpp
170 
171 #endif //WEBSOCKETPP_CLIENT_ENDPOINT_HPP
connection_type::ptr connection_ptr
Type of a shared pointer to the connections this server will create.
connection_ptr get_connection(std::string const &u, lib::error_code &ec)
Get a new connection (string version)
endpoint< connection_type, config > endpoint_type
Type of the endpoint component of this server.
Represents an individual WebSocket connection.
Definition: connection.hpp:235
Client endpoint role based on the given config.
connection_ptr connect(connection_ptr con)
Begin the connection process for the given connection.
transport_con_type::ptr transport_con_ptr
Type of a shared pointer to the connection transport component.
static level const devel
Development messages (warning: very chatty)
Definition: levels.hpp:141
transport_type::transport_con_type transport_con_type
Type of the connection transport component.
client< config > type
Type of this endpoint.
Namespace for the WebSocket++ project.
Definition: base64.hpp:41
config::concurrency_type concurrency_type
Type of the endpoint concurrency component.
Creates and manages connections associated with a WebSocket endpoint.
Definition: endpoint.hpp:42
lib::shared_ptr< uri > uri_ptr
Pointer to a URI.
Definition: uri.hpp:350
lib::shared_ptr< type > ptr
Type of a shared pointer to this connection.
Definition: connection.hpp:243
Attempted to open a secure connection with an insecure endpoint.
Definition: error.hpp:57
connection< config > connection_type
Type of the connections this server will create.
config::transport_type transport_type
Type of the endpoint transport component.
connection_ptr get_connection(uri_ptr location, lib::error_code &ec)
Get a new connection.
static level const rerror
Definition: levels.hpp:75
An invalid uri was supplied.
Definition: error.hpp:65
static level const connect
Information about new connections.
Definition: levels.hpp:121
Connection creation attempted failed.
Definition: error.hpp:99